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Did you select antenna in the setup menu?
If you did and still can't receive anything you may not be receiving signals strong enough. Read the setup instructions in the manual. link below. LC320EM9 EMERSON LCD TELEVISION Manual
Sounds like a problem with the VCO / PLL Circuit since nothing happens in RX or TX. Check to make sure you have the correct supply voltages to start with and also check to see if you have 10.240Mhz. Use the service manual and go through the PLL/VCO alignment section. If anything is missing then you at least know where to look.
There can be any number of reasons for this problem - solve it diagnostically by starting with something that you know is working and work through systematically to the other end.
Test a microphone on a separate amp to make sure it works okay. Check amp and speakers working. Check that all output cables from mixer to amp are working by testing separately.
Plug microphone into a channel on mixer. Also plug in headphones and turn headphone volume control up.
Make sure input sensitivity knob is turned up a bit (say half way) and main output faders (yellow) are up.
Check that channel is turned on (little button just above the channel fader- needs to be pressed down)
press pfl (pre-fade listen) button (next to button to switch channel on)- do you get any sound on main output or headphones or any indicator lights on mixer to show signal is getting that far (eitehr the individual channel metering lights or the main ones in the central section)?
turn off pfl - make sure channel fader (slider) is up - normal position is ) - about 3/4 of way up. Check lights again on individual channel and main output section - any signs?
Is the sub mix button for the channel pressed down - in which case you will need to bring sub mix (red) output faders up as well as main faders.
If you have got signs of signal on the individual channel but not main see if the channel has been routed somewhere odd (like a subgroup of channels).
Plug a working amp and speakers into one of the auxiliary outputs and use the relevant auxiliary send knob (on each channel just above the faders and pfl switches) to pan some signal to that auxiliary out - do you get anything? There is also a headphone socket for listening to the auxiliary channels (with a selector switch /knob to determine which one - make sure it is in the right position) try listening to the auxiliary output with headphones - anything? If yes the problem lies in the main output section.
Check that there is not a jack plug in the insert socket (to route signal through an external effects unit) without a matching return jack being plugged in - if appropriate is relevant effects unit switched on and correctly set up - if unsure remove the insert plug to take it out of the system.
Make sure any mute buttons are not switched in on main outputs.
some channels have no sound.
Theres nothing wrong with your TV, is a misconfiguration of your Cable / Satellite box.
Check in the Setup of your Box the language option and select "Channel default"
hope to help you.
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your CAD mic is a condensor mic and needs phantom power. If you don't have that it won't work. If you need phantom power you can get it from a small mixer. We here at proline carry some small multi channel mixers that have phantom power in them. call 215-736-8055
go to control panel> hardware and sound> sound; click recording tab, select USB Audio Codec, select Properties, click Advanced tab, select 2 Channel 16 bit 44100Hz and then hit apply. You have to make sure you have the 2 channel option selected. otherwise the computer just recognizes one channel and assigns it for playback. HTH
Export Frequency Conversion 1.
Remove the top cover from the unit and locate the PLL chip (MC145106P). Unsolder the short jumper wire running from the +8.2vdc source to pin 9 of the PLL chip. 2.
Resolder the three pins of the PLL chip, Pins 10, 11, and 12, being carefull not to short them together.
Note: The Super Star 140 Microphone wiring is the same as all Midland Radios.